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Updated: Jun 26, 2026

Occlusion of the Great and Small Saphenous Vein Using Copolymeric Glue Based on N-Butyl Cyanoacrylate and Methacryloxy Sulfolane

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Regression of a thrombosed persistent sciatic artery aneurysm.

Tatsuya Sasaki¹, Yoshino Mitsunaga, Kunihiro Yoshioka

¹Department of Cardiovascular Surgery, Iwate Prefectural Kamaishi Hospital, 10-483-6 Kasshi-cho, Kamaishi, Iwate 026-8550, Japan. tatuya-sasaki@pref.iwate.jp

Heart and Vessels

|January 24, 2009

Summary

A thrombosed persistent sciatic artery (PSA) aneurysm in a 79-year-old woman resolved spontaneously over three years. This case suggests conservative management may be suitable for select PSA aneurysm patients without critical symptoms.

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Area of Science:

Vascular Surgery
Radiology
Medical Diagnostics

Background:

Persistent sciatic artery (PSA) is a rare congenital anomaly.
PSA aneurysms can lead to critical limb ischemia or rupture.

Observation:

A 79-year-old woman presented with symptoms of acute limb ischemia in her right leg.
CT revealed a thrombosed 2.6 cm right buttock mass, diagnosed as a persistent sciatic artery aneurysm.
The aneurysm originated from the internal iliac artery and extended to the popliteal artery.

Findings:

Medical management with antiplatelet therapy was initiated.
Follow-up CT after 3 years showed significant aneurysm shrinkage from 2.6 cm to 1.2 cm.
The patient's leg symptoms resolved completely.

Implications:

Conservative management may be a viable option for asymptomatic or mildly symptomatic occluded PSA aneurysms.
Careful long-term monitoring is crucial for patients managed non-surgically.
This case highlights the potential for spontaneous regression of thrombosed PSA aneurysms.